The title says it all
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I have never eaten fertilized chicken eggs, so I do not know if the taste would change. I have however worked with them in the lab, and I can tell you that there are some noticeable differences.
The chick embryo actually develops very fast. It is already somewhat developed when the egg is laid. Unless the embryo were killed (say by cooling under refrigeration) within about a day of the egg being laid, you would probably notice it! It changes the texture of the membrane around the yolk. Also for some reason fertilized eggs have harder shells. I'm not sure why.
If a fertilized chicken egg were allowed to develop for four or five days after being laid, the embryo and its blood vessels would be quite obvious when you cracked the egg open! This is a big reason why farmers don't sell fertilized eggs for human consumption. If the eggs were fertilized, there would be the chance of a consumer getting a most unpleasant surprise upon cracking their egg open!
The chick embryo actually develops very fast. It is already somewhat developed when the egg is laid. Unless the embryo were killed (say by cooling under refrigeration) within about a day of the egg being laid, you would probably notice it! It changes the texture of the membrane around the yolk. Also for some reason fertilized eggs have harder shells. I'm not sure why.
If a fertilized chicken egg were allowed to develop for four or five days after being laid, the embryo and its blood vessels would be quite obvious when you cracked the egg open! This is a big reason why farmers don't sell fertilized eggs for human consumption. If the eggs were fertilized, there would be the chance of a consumer getting a most unpleasant surprise upon cracking their egg open!